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remove.go
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remove.go
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package repair
import (
"fmt"
"github.com/tarantool/cartridge-cli/cli/common"
"github.com/tarantool/cartridge-cli/cli/context"
)
func patchConfRemoveInstance(topologyConf *TopologyConfType, ctx *context.Ctx) ([]common.ResultMessage, error) {
return patchConf(removeInstance, topologyConf, ctx)
}
func removeInstance(topologyConf *TopologyConfType, ctx *context.Ctx) error {
instanceUUID := ctx.Repair.RemoveInstanceUUID
instanceConf, ok := topologyConf.Instances[instanceUUID]
if !ok {
return fmt.Errorf("Instance %s isn't found in cluster", instanceUUID)
}
if !instanceConf.IsExpelled {
replicasetUUID := instanceConf.ReplicasetUUID
replicasetConf, ok := topologyConf.Replicasets[replicasetUUID]
if ok {
leaderIndex := common.StringsSliceElemIndex(replicasetConf.Leaders, instanceUUID)
if leaderIndex != -1 {
replicasetConf.SetLeaders(common.RemoveFromStringSlice(replicasetConf.Leaders, leaderIndex))
}
instanceIndex := common.StringsSliceElemIndex(replicasetConf.Instances, instanceUUID)
if instanceIndex != -1 {
replicasetConf.SetInstances(common.RemoveFromStringSlice(replicasetConf.Instances, instanceIndex))
}
if len(replicasetConf.Leaders) == 0 {
if len(replicasetConf.Instances) > 0 {
replicasetConf.SetLeaders(append(replicasetConf.Leaders, replicasetConf.Instances[0]))
}
}
if len(replicasetConf.Instances) == 0 {
if err := topologyConf.RemoveReplicaset(replicasetUUID); err != nil {
return fmt.Errorf("Failed to remove replicaset %s from config: %s", replicasetUUID, err)
}
}
}
}
if err := topologyConf.RemoveInstance(instanceUUID); err != nil {
return fmt.Errorf("Failed to remove instance %s from config: %s", instanceUUID, err)
}
return nil
}